SACRIFICIAL ANODE CONSTRUCTION INCLUDING A WIRE FOR CONNECTION TO A STEEL MEMBER IN CONCRETE FOR CATHODIC PROTECTION
    1.
    发明公开
    SACRIFICIAL ANODE CONSTRUCTION INCLUDING A WIRE FOR CONNECTION TO A STEEL MEMBER IN CONCRETE FOR CATHODIC PROTECTION 审中-公开
    牺牲阳极结构,包括连接钢筋混凝土用于阴极保护的导线

    公开(公告)号:EP3227471A1

    公开(公告)日:2017-10-11

    申请号:EP15864971.5

    申请日:2015-12-01

    Inventor: WHITMORE, David

    CPC classification number: C23F13/20 C23F13/18 C23F2201/02 C23F2213/22

    Abstract: In a method of corrosion protection of rebar in concrete the sacrificial anode is held in place by wrapping a first wire around a first rebar portion and a second wire at second rebar portion and twisting together the first and second free ends to tension the wrappings. This can be used either on two separate rebars which are parallel or at right angles or can be used at longitudinally spaced positions on a single rebar where the rebar roughening prevents the two wrappings from sliding as the wires are tensioned by the twisting. In many cases a covering material such as a porous mortar is cast onto the outer surface of the anode and in this case the mortar and the wire are located such that the wire exits from the sacrificial anode at a position separate from the layer of covering material.

    Abstract translation: 在混凝土中钢筋的腐蚀防护方法中,牺牲阳极通过围绕第一钢筋部分缠绕第一钢丝并在第二钢筋部分缠绕第二钢丝并将第一自由端和第二自由端绞合在一起以拉紧缠绕物来保持就位。 这可以用在两个平行或直角的单独的钢筋上,或者可以用在单根钢筋上的纵向间隔位置上,钢筋粗糙防止两根缠绕线在电线被扭转张紧时滑动。 在许多情况下,将诸如多孔砂浆的覆盖材料浇铸到阳极的外表面上,并且在这种情况下,将砂浆和丝线定位成使得丝线从牺牲阳极离开与覆盖材料层分离的位置 并且可以提供绝缘垫片以防止与钢筋直接电连接。

    TREATMENT PROCESS FOR CONCRETE
    3.
    发明授权
    TREATMENT PROCESS FOR CONCRETE 有权
    BEHANDLUNGSVERFAHRENFÜRBETON

    公开(公告)号:EP1861522B1

    公开(公告)日:2016-04-27

    申请号:EP06710171.7

    申请日:2006-03-14

    Abstract: A single anode system used in multiple electrochemical treatments to control steel corrosion in concrete comprises a sacrificial metal that is capable of supporting high impressed anode current densities with an impressed current anode connection detail and a porous embedding material containing an electrolyte. Initially current is driven from the sacrificial metal [1] to the steel [10] using a power source [5] converting oxygen and water [14] into hydroxyl ions [15] on the steel and drawing chloride ions [16] into the porous material [2] around the anode such that corroding sites are moved from the steel to the anode restoring steel passivity and activating the anode. Cathodic prevention is then applied. This is preferably sacrificial cathodic prevention that is applied by disconnecting the power source and connecting the activated sacrificial anode directly to the steel.

    Abstract translation: 用于多个电化学处理以控制混凝土中的钢腐蚀的单个阳极系统包括牺牲金属,其能够利用外加电流阳极连接细节和包含电解质的多孔嵌入材料来支持高的外加电流密度。 最初,电流从牺牲金属[1]驱动到钢[10],使用电源[5]将氧和水[14]转化为羟基离子[15],将氯离子[16]转化成多孔 材料[2],使得腐蚀部位从钢移动到阳极,恢复钢的钝性并激活阳极。 然后应用阴极预防。 这优选是通过断开电源并将激活的牺牲阳极直接连接到钢来施加的牺牲阴极防止。

    ADHESIVE HYDROGEL AND METHOD FOR ELECTROLYTIC PROTECTION OF CONCRETE STRUCTURE
    7.
    发明公开
    ADHESIVE HYDROGEL AND METHOD FOR ELECTROLYTIC PROTECTION OF CONCRETE STRUCTURE 有权
    粘合剂水凝胶及混凝土结构电解保护方法

    公开(公告)号:EP2829638A1

    公开(公告)日:2015-01-28

    申请号:EP12871873.1

    申请日:2012-09-28

    Abstract: Disclosed is an adhesive hydrogel containing a polymer matrix, water, and a polyhydric alcohol, wherein the polymer matrix contains a copolymer of a monofunctional monomer with a single polymerizable C-C double bond and a polyfunctional monomer with two or more polymerizable C-C double bonds, the monofunctional monomer contains a nonionic (meth)acrylamide-based monomer, and the polyfunctional monomer has a composition formula: C l H m O n , where O is an oxygen atom in an ether bond, l is an integer greater than or equal to 4, m is an integer greater than or equal to 6, and n is an integer greater than or equal to 0.

    Abstract translation: 本发明公开了含有聚合物基质,水和多元醇的粘合性水凝胶,其中聚合物基质含有单官能单体与单一可聚合CC双键的共聚物和具有两个或更多个可聚合CC双键的多官能单体,单官能 单体含有非离子型(甲基)丙烯酰胺系单体,多官能单体具有组成式:ClHmOn,其中O为醚键中的氧原子,l为4以上的整数,m为大于1的整数 大于或等于6,并且n是大于或等于0的整数。

    Sacrificial anode assembly
    8.
    发明公开
    Sacrificial anode assembly 审中-公开
    Opferanodenanordnung

    公开(公告)号:EP2267186A3

    公开(公告)日:2013-08-14

    申请号:EP10176307.6

    申请日:2005-04-29

    Abstract: A sacrificial anode assembly for cathodically protecting and/or passivating a metal section, comprising: (a) a cell, which has an anode and a cathode arranged so as to not be in electronic contact with each other but so as to be in ionic contact with each other such that current can flow between the anode and the cathode; (b) a connector attached to the anode of the cell for electrically connecting the anode to the metal section to be cathodically protected; and (c) a sacrificial anode electrically connected in series with the cathode of the cell; wherein the cell is otherwise isolated from the environment such that current can only flow into and out of the cell via the sacrificial anode and the connector. The invention also provides a method of cathodically protecting metal in which such a sacrificial anode assembly is cathodically attached to the metal via the connector of the assembly, and a reinforced concrete structure wherein some or all of the reinforcement is cathodically protected by such a method.

    ANODE FOR CATHODIC PROTECTION
    10.
    发明公开
    ANODE FOR CATHODIC PROTECTION 有权
    阳极阴极保护

    公开(公告)号:EP2004875A4

    公开(公告)日:2009-12-30

    申请号:EP07701806

    申请日:2007-02-21

    Inventor: WHITMORE DAVID W

    CPC classification number: C23F13/10 C23F13/06 C23F2201/02

    Abstract: An anode for use in cathodic protection of steel in concrete is formed from an electrically conductive material such as zinc and an ionically conductive material which is preferably a humectant and/or has a pH greater than 12 to enhance current flow. The materials are intimately intermixed through at least a part of the anode body and compressed into the anode body with an electrical connecting lead formed into a core of the body which is wholly conductive material. Portions of the electrically conductive material are pressed into electrical contact to form a plurality of electrically conductive paths within the anode body. Many of the voids in the body are interconnected to form a plurality of ionically conductive paths through the anode body by causing the humectant to migrate through the voids. The large surface area between the ionically conductive paths and the electrically conductive paths increase significantly the contact surface area of the anode body to increase current flow.

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